Comparison of Colorful GeForce GTX 1660 NB 6G-V video card vs Gainward GeForce RTX 2060 SUPER Phoenix GS video card by specifications and benchmarks. Colorful GeForce GTX 1660 NB 6G-V runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card Gainward GeForce RTX 2060 SUPER Phoenix GS runs at 1.470 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 120 W, and the second is 175 W. Compare the table of benchmark results to find out which graphic card is better.